JP4169666B2 - camera - Google Patents

Description

  The present invention relates to a camera such as a digital still camera or a digital video camera.

  FIG. 8 is a perspective view showing a configuration of a conventional video camera. The video camera includes a lens for photographing a subject (for example, Patent Document 1). In addition, the video camera has a configuration in which a lens protector 102 that covers and protects the lens 100 is suspended from a lower part of a support part 101 having a lens 100 by a string 103 (see FIG. 8), and is not photographed. Sometimes, the lens protector 102 is externally fitted to the lens 100 part to protect the lens 100, and the lens protector 102 is removed from the lens 100 part at the time of photographing.

There are also known cameras equipped with a lens that can be advanced and retracted by rotation of a motor, and a shutter that is interlocked with the advance and retreat of the lens and that blocks the forward and backward movement of the lens when the lens is retracted.
JP-A-6-98210

  However, since the video camera shown in FIG. 8 needs to manually attach / detach the lens protector 102 suspended by the string 103, the attaching / detaching operation of the lens protector 102 becomes troublesome and an improvement measure is required. Was requested. Further, since the lens protector 102 is suspended by the string 103, the string is an obstacle.

  In addition, in a camera having a lens that can advance and retreat, the shutter cannot be operated when the battery for driving the motor has been discharged.

  The present invention has been made in view of such circumstances, and a main purpose of the lens protection is to enable the photographing unit to rotate and to move in a direction crossing the rotation direction of the photographing unit in conjunction with the rotation of the photographing unit. By providing the body, it is possible to provide a camera that can protect the lens without performing the detaching operation of the lens protector and can improve the operability of the camera.

  Another object is to move the lens protector to a position away from the lens when the photographing unit rotates to the lens open position, and to move the lens protector closer to the lens when the photographing unit rotates to the lens protective position. By being configured to move, it is possible to provide a camera that can smoothly rotate the photographing unit, improve the dustproof property of the lens portion, and improve the protective property of the photographing unit.

  Another object is to provide one of the photographing unit and the lens protector with a convex portion that deviates from the rotation center of the photographing unit, and engages the convex portion on the other of the photographing unit and the lens protector to attach the lens protector. By providing the moving cam, it is possible to provide a camera in which the moving mechanism of the lens protector can be simplified and the lens protector can be operated without using a battery.

  Another object is to connect the monitor unit for visual confirmation of the shooting status of the shooting unit to the shooting unit, so that the position of the monitor unit can be changed in conjunction with the rotation of the shooting unit, and the camera operation It is to provide a camera capable of improving the performance and the photographability.

The camera according to the present invention includes a photographing unit having a lens and a support unit that supports the photographing unit. The photographing unit is rotatable, and the support unit photographs in conjunction with rotation of the photographing unit. A lens protector that is movable in a direction along the optical axis of the lens when the part is not rotated is provided.

  According to the present invention, the lens protector can be moved to a position where the lens protector comes into contact with or separated from the lens by rotating the imaging unit which can be rotated to the lens open position and the lens protection position. The lens can be protected without operation, and the lens protector portion is less likely to get in the way as compared with a lens suspension that suspends the lens protector, and the operability of the camera can be improved.

In the camera according to the present invention, the lens protector moves to a position separated from the lens in a direction along the optical axis when the photographing unit rotates to the lens open position, and the photographing unit rotates to the lens protective position. In this case, the lens is moved to a position approaching the lens and the direction along the optical axis.

  In the present invention, it is possible to prevent a problem that the lens protector gets caught in the photographing unit when the photographing unit is rotated to the lens open position, and the photographing unit can be smoothly rotated. In addition, when the photographing unit is rotated to the lens protection position, the lens protector can be brought into contact with the photographing unit to improve the dust-proof property of the lens part, and the protective property of the photographing unit can be improved.

In the camera according to the present invention, the support includes a pivot part that pivotally supports the imaging unit, a curved surface that curves in a rotation direction of the imaging unit at a position separated from the pivot part, the curved surface, and the pivot There is a long hole arranged in the direction along the optical axis between the support parts, the lens protector has a convex part inserted into the long hole, and the photographing part is pivotally supported by the pivot support part. And a cam disposed between the second pivotal support portion and the lens for transmitting the rotation of the photographing portion to the convex portion.

  In this invention, since the rotation of the photographing unit can be transmitted from the convex part and the cam to the lens protector, the moving mechanism of the lens protector is simple, the entire camera can be miniaturized, and the battery The lens protector can be operated without using it.

  The camera according to the present invention is characterized in that a monitor unit is connected to the photographing unit.

  In the present invention, since the position of the monitor unit can be changed in conjunction with the rotation of the photographing unit, the operability and photographing property of the camera can be improved.

  According to the present invention, it is possible to protect the lens without performing the detaching operation of the lens protector, and it is possible to improve the operability of the camera.

  In addition, according to the present invention, the photographing unit can be rotated smoothly, the dustproof property of the lens portion can be improved, and the protective property of the photographing unit can be improved.

  Further, according to the present invention, the moving mechanism of the lens protector is simple, the entire camera can be miniaturized, and the lens protector can be operated without using a battery.

  In addition, according to the present invention, the position of the monitor unit can be changed in conjunction with the rotation of the imaging unit, and the operability and the imaging performance of the camera can be improved.

  Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof. 1 is an exploded schematic perspective view showing a configuration of a camera according to the present invention, FIG. 2 is a plan view showing an enlarged part of the camera, FIG. 3 is a plan side perspective view showing the configuration of the camera, and FIG. 4 is a configuration of the camera. FIG. 5 is a perspective view showing a state in which the photographing unit of the camera is rotated to the lens open position.

  This camera includes a photographing unit 1 having a lens 11, a support unit 2 that rotatably supports the photographing unit 1, and a pivotal connection to the photographing unit 1, and a monitor for visually confirming a photographing situation by the photographing unit. The digital video camera includes the unit 3, in other words, the viewfinder and the lens protector 4 that covers and protects the lens 11.

  The support portion 2 is formed in a flat shape having a semicircular curved surface 2a at one end in the longitudinal direction of the rectangular parallelepiped portion, and a circular recess 2b extending from the curved surface 2a to an appropriate position. 1 is provided with a pivot portion 2c for pivotally supporting 1 and a long hole 2d into which a convex portion 6 to be described later is inserted. The long hole 2d is disposed between the curved surface 2a and the pivot portion 2c. Further, a support groove 2e for supporting the lens protector 4 so as to be movable in a direction intersecting the rotation direction of the photographing unit 1 is provided on the side surface opposite to the recess 2b of the support part 2, and further the support groove 2e. The plate 10 made of synthetic resin having a substantially equal width dimension is provided at the position facing the lens protector 4.

The photographing unit 1 has a lens 11 at the outer peripheral part, a disc part 1a having a pivotal support part 12 at the center part, and a plate part 1b corresponding to the planar shape of the support part 2 protruding from one side part of the disc part 1a. The pivot part 12 is rotatably attached to the pivot part 2c of the recess 2b. A cam 5 is provided at a position deviating from the rotation center of the imaging unit 1 on the other side of the disk unit 1a. The cam 5 is formed of a groove whose dimension from the rotation center is appropriately changed, and is engaged with a convex portion 6 described later. Then, when the imaging unit 1 rotates in this engaged state, the lens protector 4 intersects with the rotation direction of the imaging unit 1 and is in the direction of contact with and away from the lens 11, in other words, the optical axis of the lens 11. It is made to move in the direction along . The disk part 1a and the plate part 1b are made of metal. Further, a connecting plate 7 made of synthetic resin is connected from the periphery of the lens 11 of the disk portion 1a to the tip of the plate portion 1b, and the monitor portion 3 is connected to one end portion of the connecting plate 7 via a hinge 8. Yes.

  The monitor unit 3 is formed in a flat rectangular parallelepiped having a liquid crystal panel. Further, a connecting plate 9 corresponding to the connecting plate 7 is coupled to the opposite side surface of the monitor unit 3 to the liquid crystal panel, and the connecting plates 7 and 9 are coupled to each other via a hinge 8.

The lens protector 4 is fitted on the outside of the disk portion 1a so as to face the lens 11 and is bent at a right angle from the lower end of the protector 4a so as to be movable in the support groove 2e of the support portion 2. A projecting portion 6 that is made of a synthetic resin plate having a supported attachment portion 4b and that is offset from the rotation center of the photographing portion 1 and engages with the cam 5 is integrally provided on the attachment portion 4b. . The convex portion 6 is inserted into the long hole 2d, further engages with the cam 5 is inserted into the grooves constituting the cam 5, the engagement position of the cam 5 changes by the photographing unit 1 is rotated, The inside of the long hole 2d is moved along the long hole 2d, and the protection part 4a is moved in a direction in which it is in contact with and away from the lens 11. In addition, the protection part 4a consists of a curved plate curved corresponding to the peripheral surface of the disk part 1a.

  6 and 7 are perspective views in a state where the photographing unit of the camera is rotated to the lens open position and the monitor unit is further rotated.

  In the camera configured as described above, since the photographing unit 1 is rotatable with respect to the support unit 2 and the monitor unit 3 is rotatably connected to the photographing unit 1, the photographing unit 1 is rotated. As a result, the monitor unit 3 rotates integrally with the photographing unit 1 (see FIG. 5), and in this state, the monitor unit 3 can be further rotated with respect to the photographing unit 1 (FIGS. 6 and 7). reference).

  When not photographing, the photographing unit 1 is in the lens protection position, and the protection unit 4a of the lens protector 4 faces the lens 11 and protects the lens 11 (see FIGS. 3 and 4).

  When the photographing unit 1 is rotated to the lens open position in order to photograph the subject, the engagement position between the convex portion 6 and the cam 5 sequentially changes as the photographing unit 1 rotates, and the lens protector 4 is separated from the lens 11. It moves to a position, and a gap is formed between the protection unit 4a and the imaging unit 1, and the protection unit 4a does not come into contact with the imaging unit 1. Therefore, the photographing unit 1 can be smoothly rotated.

  When the photographing of the subject is completed and the photographing unit 1 is rotated to the lens protection position, the engagement position between the convex portion 6 and the cam 5 is sequentially changed with the rotation of the photographing unit 1, and the lens protector 4 is connected to the lens 11. It moves to the approaching position so that there is no gap between the protective part 4a and the photographing part 1, and the protective part 4a comes into contact with the photographing part 1 and can improve the dustproof property of the lens 11 part.

  In the embodiment described above, a cam 5 is provided in the photographing unit 1 as a moving means for moving the lens protector 4 in conjunction with the rotation of the photographing unit 1, and the convex portion 6 that engages with the cam 5 is protected by the lens. In addition to the configuration provided in the body 4, the lens protector 4 may be provided with a cam 5, and the projection 6 that engages with the cam 5 may be provided in the imaging unit 1. Any mechanism that can move the lens protector 4 in the direction of contacting and separating from the lens 11 in conjunction with the rotation of the lens 1 may be used, and the configuration of the moving means is not particularly limited. Moreover, when using the cam 5 and the convex part 6, the shape and arrangement | positioning position of the cam 5 and the convex part 6 are not restrict | limited in particular.

  In addition to the digital video camera, the camera according to the present invention may be a digital still camera.

It is the disassembled schematic perspective view which shows the structure of the camera which concerns on this invention. It is the top view which expanded a part of camera concerning the present invention. It is a plane side perspective view which shows the structure of the camera which concerns on this invention. It is a bottom side perspective view showing the composition of the camera concerning the present invention. It is a perspective view of the state which rotated the imaging part of the camera concerning the present invention to the lens open position. It is a perspective view of the state which rotated the imaging part of the camera concerning the present invention to the lens open position, and also rotated the monitor part. It is a perspective view of the state which rotated the imaging part of the camera concerning the present invention to the lens open position, and also rotated the monitor part. It is a perspective view which shows the structure of the conventional video camera.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Image pick-up part 2 Support part 3 Monitor part 4 Lens protector 5 Cam 6 Convex part 11 Lens

Claims (4)

In a camera including a photographing unit having a lens and a support unit that supports the photographing unit, the photographing unit is rotatable, and the support unit is rotated when the photographing unit is not rotated in conjunction with the rotation of the photographing unit. A camera comprising a lens protector that is movable in a direction along the optical axis of the lens. The lens protector is moved to a position spaced in a direction along the lens and the optical axis when the imaging unit is rotated in the lens opening position, wherein the imaging unit along with the lens and the optical axis when rotated to the lens protecting position 2. The camera according to claim 1, wherein the camera is moved to a position approaching in the direction. The support is, along the pivot portion for pivotally supporting the imaging section, a curved surface which is curved in the rotational direction of the imaging unit at a position spaced apart from the該枢branch, the optical axis between the該湾curved and said pivot portion With long holes arranged in the direction,
The lens protector has a convex portion that is inserted into the elongated hole,
2. The imaging unit includes a second pivot part pivotally supported by the pivot part, and a cam that is disposed between the second pivot part and the lens, and transmits the rotation of the imaging part to the convex part. Or the camera of 2. The photographing unit camera according to Izu Re or one of claims 1 to 3 monitor is connected.

Images